单词：quantized analog signal
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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o
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I-MAC isonchronous media access controller IDN integrated digital network IEC International Electrotechnical Commission Impairments Impairments is the (e.g., transmission channel and signal impairment
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Microwave In telecommunications, microwaves are frequencies above 1 GHz. MIPS million instructions per second Modems (MOdulator/DEModulators) Modems are devices that transform digital signals generate
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Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic
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D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
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The government reports the nation's Gross Domestic Product fell one percent in the first quarter, a far slower contraction than the previous quarter when GDP shrank 6.4%. President Obama called it progress resulting from his administration's actions
2009年NPR美国国家公共电台8月
AS IT IS 2015-05-12 South African's Love Affair with Vinyl Records 南非与黑胶唱片的情缘 Benjy Mudie owns Vinyl Junky. He flips through records inside his Johannesburg store. His vinyl albums are much more expensive than CDs or MP3s - digita
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Britons have been watching almost 2-1/2 hours more television a week this year as cash-strapped people stay at home more -- and because there's more to watch, figures showed on Tuesday. Official statistics from The Broadcasters' Audience Research Boa
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Which is the hardest word to translate in this sentence? 哪一个单词是这个句子中最难翻译的？ Know is easy to translate. know是很容易翻译的。 Pep rally doesn't have a direct analog in a lot of languages and cultures, but can be
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The Blue Box 蓝盒子 The ultimate combination of pranks and electronicsand the escapade that helped to create Applewas launched one Sunday afternoon when Wozniak read an article in Esquire that his mother had left for him on the kitchen table. 恶作
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SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE
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BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w
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BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s
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今天我们要学的词是signal。 Signal, 作为动词，意思是显示。 The number of Americans filing for unemployment benefits for the first time fell to the lowest level in nearly six months, signaling a slight improvement in the job market
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当很多成人还在等待苹果的iWatch上市，孩子们已经可以拥有自己的智能手表了。Kidizoom推出一款名为Vtech的儿童智能手表准备抢滩节日玩具市场。 这款儿童智能手表售价60美元，屏幕1.4英寸，可
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To the surprise of exactly no one, Apples new generation of iPhones will not include a standard 3.5mm headphone input. The decision signals the demise of an audio port thats been used for more than 100 yearsand honestly, its about time. The death of
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The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma
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